We’ve spent about half of our total allowance of carbon that can be emitted to the atmosphere without a global climate catastrophe.
there is no doubt that a vegetarian diet would have much less impact on the climate.
We will spare nature by living in cities, but for a sustainable world, we will not pull ourselves up by our own bootstraps by living in cities.
Soy milk seems to leave the smallest footprint on the environment.
When it comes to sources of power, off-shore wind development looks much more attractive than off-shore oil development
I asked myself whether cotton vs. linen shirts, or nylon or denim pants, left a greater footprint on the environment.
A carbon fee program would preserve the personal choice of how we live our lives
Policies devoted to bioenergy should be redirected toward efforts to protect terrestrial carbon stocks and recarbonize the biosphere.
It is easy to overlook the life under sea ice in the Antarctic, but as climate warms, sea ice will diminish and so will the growth of algae that depends on it